As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR INTERRUPT, RETURNED & EMER DECLARED. LANDING UNEVENTFUL & ACFT WAS OVERWEIGHT. DURING CLIMB RECEIVED EICAS MSG FOR LT HYD QTY READING .03. R & R HYD QTY MONITOR UNIT. PERFORMED OPERATIONAL CHECK IAW AMM 29-33-01. SYS CHECKED NORMAL.